China mud motor manufacturer & supplier

Derun Dpiral drill collar

Derun can provide all size spiral drill collar

2016-11-25

Derun drill pipe 001

Derun provides all type of drill pipes, include oil drill pipe, water well/geothermal well drill pipe, coalbed methane/shale gas drill pipe

2016-11-25

Derun integral straight/spiral stabilizer

Derun provides integral straight blade stabilizer, integral spiral blade stabilizer, replaceable sleeve stabilizer,non-rotary stabilizer,

2016-11-25

Derun non-magnetic drill collar

Derun non-magnetic drill collar drill collar

2016-11-25

Derun drilling mud motor

Derun drilling motor is a positive displacement motor. High pressure drilling fluid flows into the drilling motors.

2016-11-25

drilling motor Rotor Surface Treatment

Luhai drilling motor is a positive displacement motor. High pressure drilling fluid flows into the drilling motors.

2016-08-31

Even wall drilling motor

Luhai drilling motor is a positive displacement motor. High pressure drilling fluid flows into the drilling motors.

2016-08-31

luhai Drilling motor /mud motor

Luhai drilling motor is a positive displacement motor. High pressure drilling fluid flows into the drilling motors.

2016-08-31

Spiral drill collar/drill string

LUHAI Spiral drill collar

2016-08-10

slip drill collar/drill string

LUHAI drill collars are manufactured strictly according to API Spec7-1 and SY5411 standard.

2016-08-10

Kelly /square kelly /drill string

LUHAI provides square Kelly and hexagonal Kelly which is manufactured strictly according to API Spec7-1 and SY/T6509-2000 standard.

2016-08-10

drill pipe drill striing

LUHAI provides all type of drill pipes, include oil drill pipe, water well/geothermal well drill pipe, coalbed methane/shale gas drill pipe and flush

2016-08-10

Drilling motor /mud motor

Luhai drilling motor is a positive displacement motor.

2016-08-10